Given the amount of work required to move a box 15 meters across the floor is 75J. What is the force that is needed? 5 N 25 N 30 N 2 N SUBMIT ANSWER ASK FOR HELPTURN IT IN © 2014 Glynlyon, Inc. All rights reserved. TERMS OF USE

Sarah is sitting at the top of the slide in the schools playground. which will increase sarah’s kinetic energy a- an additional child is added to the top of the slide. b- sarah is pushed and moves down the slide. c- sarah climbs down the ladder and off the slide. d- the ladder is moved to the other side of the yard.

Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.

Which event would lead to primary succession of a forest?